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OLM Science6_4
OLM Science6_4
OLM Science6_4
OLM Science6_4
OLM Science6_4
OLM Science6_4
OLM Science6_4
OLM Science6_4
OLM Science6_4
OLM Science6_4
OLM Science6_4
OLM Science6_4
OLM Science6_4
OLM Science6_4
OLM Science6_4
OLM Science6_4
OLM Science6_4
OLM Science6_4
OLM Science6_4
OLM Science6_4
OLM Science6_4
OLM Science6_4
OLM Science6_4
OLM Science6_4
OLM Science6_4
OLM Science6_4
OLM Science6_4
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OLM Science6_4

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Grade 6, Chapter 4

Grade 6, Chapter 4

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Transcript

  • 1. Chapter 4 Rocks: Mineral Mixtures Understanding Rock Section 1
  • 2. Rock
    • A solid mixture of crystals of one or more minerals
  • 3. Rock Cycle
    • Igneous, Sedimentary & Metamorphic rock
  • 4. Rock Cycle
  • 5. Sedimentary Rock
    • Rock that forms when sediments are compacted & cemented together
  • 6. Igneous Rock
    • Forms from the cooling of Magma
  • 7. Lava Rock
    • Magma on the Earth’s surface
  • 8. Metamorphic Rock
    • Preexisting rock changed by heat & pressure
  • 9. Composition
    • The minerals a rock is made of
  • 10. Texture
    • Size, shapes & positions of the grains of the rock
  • 11. Chapter 4 Rocks: Mineral Mixtures Igneous Rock Section 2
  • 12. Temperature
    • An increase in temperature can cause the rock to melt
    Gabbro.
  • 13. Felsic Granite   Rhyolite
  • 14. Mafic
    • Gabbro
    • Basalt
  • 15. Intrusive Rock
    • Magma that has cooled beneath the Earth’s surface
  • 16. Pluton
    • Large balloon shaped intrusive formation
  • 17. Extrusive Igneous Rock
    • Igneous rock that forms on the Earth’s surface
                                                 
  • 18. Chapter 4 Rocks: Mineral Mixtures Sedimentary Rock Section 3
  • 19. Strata
    • Layers of sedimentary rock
  • 20. Clastic Sedimentary Rock
    • Made from fragments of other rocks & minerals
  • 21. Chemical Sedimentary Rock
    • Forms from solutions of minerals & water
  • 22. Stratification
    • Layering of sedimentary rock
  • 23. Sedimentary Rock Cycle
  • 24. Chapter 4 Rocks: Mineral Mixtures Metamorphic Rock Section 4
  • 25. Metamorphic Rock
    • Rocks in which structure, texture & composition have changed
  • 26. Foliated
    • Minerals aligned & almost like pages in a book
                                                
  • 27. Nonfoliated
    • Metamorphic rock which does not have a pattern

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